Home / 9,076.08-13,590.76-5,380.90

Finding the Fourth Proportional to 9,076.08, 13,590.76 and 5,380.90

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Solution

The fourth proportional to 9,076.08, 13,590.76 and 5,380.90 is: 8,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.08 : 13,590.76 = 5,380.90 : x
  2. Step 2: Convert to fraction form
    9,076.08/13,590.76 = 5,380.90/x
  3. Step 3: Cross multiply
    9,076.08x = 13,590.76 × 5,380.90
  4. Step 4: Simplify right side
    9,076.08x = 73,130,520.48
  5. Step 5: Solve for x
    x = 73,130,520.48/9,076.08
  6. Step 6: Final answer
    x = 8,057.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.